Patent US2506090A successfully refreshed from Google Patents.
US2506090A
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US
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Assignee: Individual
•
Filing: 1947-12-06
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Granted: 1950-05-02
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Expires: 1967-12-06
Abstract
No abstract record available.
Inventors
- 👤 Howard R Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:02
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/48; B60D1/56; B60D1/52; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-01 | 1953-10-31 | 1954-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-01 | 1957-10-31 | 1958-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-01 | 1961-10-31 | 1962-05-02 | $7700.00 | Window Closed / Lapsed |